BQCH3B020 - 20Amp Circuit Breaker

BQCH3B020 - 20Amp Circuit Breaker

When you need a BQCH3B020 circuit breaker that matches the original specifications of your existing electrical system, having the right amperage, frame type, and mounting configuration matters. This 20 amp, 3-pole molded case circuit breaker is designed for applications requiring a BQCH frame and features a secure bolt-on mounting design for use in compatible panelboards and distribution equipment.

Built for three-phase electrical systems, the BQCH3B020 provides dependable circuit protection for commercial and industrial applications where maintaining proper equipment compatibility is essential. With a 14kA interrupting rating at 480VAC, this breaker is commonly used in power distribution systems, HVAC equipment, motor circuits, refrigeration systems, and other electrical installations that require a 20-amp, three-pole breaker. Its HACR rating also makes it suitable for heating, air conditioning, and refrigeration applications.

Whether you're replacing an existing breaker during maintenance or restoring equipment to its original electrical specifications, the BQCH3B020 offers the form, fit, and function needed for compatible installations. Built to last and designed for operation in 40°C ambient environments, this molded case circuit breaker helps keep electrical systems protected while supporting the performance requirements of the equipment it serves.

Key Features and Benefits

• 20 amp current rating for branch circuit protection
• Three-pole design for three-phase electrical systems
• Bolt-on mounting configuration for secure installation
• BQCH frame type for compatible electrical equipment
• 14kA interrupting capacity at 480VAC
• HACR rated for HVAC and refrigeration applications
• Molded case construction designed for long-term service
• Rated for operation in ambient temperatures up to 40°C
• Helps maintain original equipment specifications in existing installations
• Suitable for commercial, industrial, and facility maintenance applications
  

Technical Specifications

• Part Number: BQCH3B020
  
• Frame Type: BQCH
  
• Breaker Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage: 20 Amps
  
• Voltage Rating: 480VAC
  
• Interrupting Rating: 14kA @ 480VAC
  
• Mounting Type: Bolt-On
  
• HACR Rated: Yes
  
• Ambient Rating: 40°C
  
• Dimensions:
  • Width: 3.00 in.
  • Height: 4.49 in.
  • Depth: 2.70 in.
• Approximate Shipping Weight: 4.0 lbs.
  

Material Compliance and Certifications

• HACR Rated
• Molded Case Circuit Breaker construction
• Rated for operation in 40°C ambient environments
• Manufactured for use in compatible BQCH frame electrical systems
• Designed to meet published electrical ratings and application requirements
  

Where It Works Best

• The BQCH3B020 is frequently used in commercial buildings, manufacturing facilities, schools, healthcare facilities, warehouses, and other properties that utilize three-phase power distribution systems. Common applications include HVAC equipment, refrigeration systems, motor control circuits, branch circuit protection, electrical distribution panels, and industrial control equipment where a 20 amp 3-pole bolt-on circuit breaker is required.
  
• For facilities maintaining existing electrical infrastructure, this breaker is an ideal choice when matching the original frame type, mounting style, voltage rating, and amperage specifications is important for proper installation and operation.